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Biology glossary

Look up the language used in the papers, then follow a term back to the research that uses it.

42 terms

Activation-induced release
A design that allows activated T cells to shed selected surface receptors.
Allelic dropout
Failure to detect one version of a genomic site, potentially making a cell appear to carry only the other version.
Alternative splicing
Processing a gene’s RNA into messages that include different combinations of segments.
Antisense oligonucleotide
A short nucleic-acid molecule designed to bind a selected RNA sequence.
Assembloid
A model formed by integrating separately generated three-dimensional tissues.
CAR T cell
An immune cell engineered to recognize a target.
Chemotaxis
Directed movement along a chemical concentration gradient.
CRISPR activation
A method that increases the activity of selected genes without cutting them out.
dCas13
A Cas13 protein engineered to bind RNA without cutting it.
Ectopic expression
Activity of a gene in a cell type or location where it is not normally active.
Endothelial cell
A cell lining blood vessels.
Eumelanin and pheomelanin
Pigments responsible for brown-black and red-yellow coloration, respectively.
GD2
The cell-surface molecule targeted in this study.
Genotype
The DNA sequence or variant combination carried by a cell or organism.
Germline variant
A DNA difference inherited through the egg or sperm, rather than acquired only within a tumor.
GPR183
A cell-surface receptor that can detect oxidized cholesterol molecules.
GWAS
A genome-wide association study that links DNA variants to a trait statistically, without by itself establishing a biological mechanism.
In situ engineering
Changing cells where they already are in the body.
Interneuron
A neuron that participates in local circuits.
Interneuron migration
Movement of developing inhibitory neurons into the tissue where they will form circuits.
Lipid nanoparticle
A small lipid-based carrier used to deliver molecular cargo into cells.
Local translation
Protein synthesis close to where an RNA message is located, including distant neuronal processes.
Melanocyte
A pigment-producing cell; its developmental precursor is called a melanoblast.
MPRA
A massively parallel reporter assay that compares the gene-regulatory activity of many DNA sequences using molecular barcodes.
Multiomics
Measurement of more than one molecular layer, such as DNA and RNA, in a coordinated experiment.
NaV1.7
A voltage-gated sodium channel encoded by SCN9A that contributes to sensory-neuron function.
Noncoding DNA
DNA that does not encode a protein; some noncoding sequences control when and where genes are expressed.
PET
An imaging method that detects a radioactive tracer in living tissue.
Phase 1 trial
An early clinical study emphasizing feasibility, dose, and safety.
PKA
Protein kinase A, an enzyme involved in transmitting signals that affect gene expression and other cell functions.
Protease
An enzyme that cleaves proteins.
Reporter tag
An added molecular marker used to detect a biological process.
RhoA
A small signaling protein that helps regulate cell shape, movement and other cellular processes.
Saltatory migration
Cell movement in intermittent forward steps.
Single-cell RNA sequencing
Measuring gene expression in individual cells.
Spatial transcriptome
The distribution of RNA molecules across locations within a cell or tissue.
Spheroid
A three-dimensional cell cluster modeling selected tissue features.
Synchrony
Coordinated activity across cells or regions; it does not by itself imply conscious perception.
Tonic signaling
Receptor activity that occurs without the intended antigen stimulus.
Transcriptome
The collection of RNA molecules produced in a cell; SDR-seq measures a selected panel rather than the entire transcriptome.
X inactivation
The silencing of one X chromosome in many cells of an individual with two X chromosomes, creating a mosaic of cell lineages.
Zygosity
Whether the copies of a DNA site carry the same or different variants.